[MITgcm-support] seaice dynamics stability
Matthew Mazloff
mmazloff at MIT.EDU
Fri Dec 19 18:52:39 EST 2008
Hi JMC,
As you suggested I am going to decouple ice stress from ocean stress
in attempt to find a more stable seaice solution.
Is all I need to do is comment these lines at the end (lines 216 and
217) of seaice_ocean_stress.F?
fu(I,J,bi,bj)=(ONE-areaW)*fu(I,J,bi,bj)+areaW*fuIceLoc
fv(I,J,bi,bj)=(ONE-areaS)*fv(I,J,bi,bj)+areaS*fvIceLoc
-Matt
And dear others,
I find better (closer to observed) seaice coverage with ice dynamics
on. Unfortunately with my 1/6 solution I have only been able to run
~650 days and I want a 3 year simulation. My ice area fields show
significant grid scale noise at most times, and the model finally
crashes where ice is being converged into the coasts.
I have played with many parameters, from drag coefficients to
advection schemes....and the crashes are really pretty random...its
frustrating. If anyone has any suggestions please let me know
Thanks
Matt
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